Virtuozzo 7 : readykernel-patch (VZA-2019-050)

According to the version of the vzkernel package and the readykernel-patch installed, the Virtuozzo installation on the remote host is affected by the following vulnerabilities : - An integer overflow was found in the way the Linux kernel's networking subsystem processed TCP Selective...

Huawei EulerOS: Security Advisory for kernel (EulerOS-SA-2019-1792)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

CVE-2019-11478

An excessive resource consumption flaw was found in the way the Linux kernel's networking subsystem processed TCP Selective Acknowledgment SACK segments. While processing SACK segments, the Linux kernel's socket buffer SKB data structure becomes fragmented, which leads to increased resource...

TCP SACK panic attack- Linux Kernel Vulnerabilities- CVE-2019-11477, CVE-2019-11478 & CVE-2019-11479

CVE-2019-11477: The Linux kernel is vulnerable to an integer overflow in the 16 bit width of TCPSKBCBskb-tcpgsosegs. A remote attacker could use this to cause a denial of service...

Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2019-4850)

The remote Oracle Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2019-4850 advisory. - vhost: make sure lognum innum yongduan Orabug: 30312787 CVE-2019-14835 - vhost: block speculation of translated descriptors Michael S. Tsirkin...

The vulnerability of the tcp_sack_option() function in the kernel of the OpenBSD operating system allows a hacker to cause a service failure.

The vulnerability of the tcpsackoption function in the kernel of the OpenBSD operating system exists due to insufficient validation of input data. Exploiting this vulnerability can allow a remote attacker to cause a service failure...

CVE-2019-8460

OpenBSD kernel version = 6.5 can be forced to create long chains of TCP SACK holes that causes very expensive calls to tcpsackoption for every incoming SACK packet which can lead to a denial of service...

Code injection

OpenBSD kernel version = 6.5 can be forced to create long chains of TCP SACK holes that causes very expensive calls to tcpsackoption for every incoming SACK packet which can lead to a denial of service...

CVE-2019-8460

OpenBSD kernel version = 6.5 can be forced to create long chains of TCP SACK holes that causes very expensive calls to tcpsackoption for every incoming SACK packet which can lead to a denial of service...

CVE-2019-8460: Excessive Data Query Operations in a Large Data Table

OpenBSD kernel version = 6.5 can be forced to create long chains of TCP SACK holes that causes very expensive calls to tcpsackoption for every incoming SACK packet which can lead to a denial of service...

Important kernel security update: Virtuozzo ReadyKernel patch 85.0 for Virtuozzo 7.0.7 to 7.0.10 HF1 and Virtuozzo Infrastructure Platform 2.5

The cumulative Virtuozzo ReadyKernel patch was updated with security and stability fixes. The patch applies to the kernels 3.10.0-693.17.1.vz7.43.10 Virtuozzo 7.0.7, 3.10.0-693.21.1.vz7.46.7 Virtuozzo 7.0.7 HF2, 3.10.0-693.21.1.vz7.48.2 Virtuozzo 7.0.7 HF3, 3.10.0-862.9.1.vz7.63.3 Virtuozzo 7.0.8...

NewStart CGSL MAIN 4.05 : kernel Multiple Vulnerabilities (NS-SA-2019-0168)

The remote NewStart CGSL host, running version MAIN 4.05, has kernel packages installed that are affected by multiple vulnerabilities: - An integer overflow flaw was found in the way the Linux kernel's networking subsystem processed TCP Selective Acknowledgment SACK segments. While processing SAC...

NewStart CGSL CORE 5.04 / MAIN 5.04 : kernel Multiple Vulnerabilities (NS-SA-2019-0162)

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has kernel packages installed that are affected by multiple vulnerabilities: - An integer overflow flaw was found in the way the Linux kernel's networking subsystem processed TCP Selective Acknowledgment SACK segments. While...

Kernel: tcp: excessive resource consumption while processing SACK blocks allows remote denial of service

An excessive resource consumption flaw was found in the way the Linux kernel's networking subsystem processed TCP Selective Acknowledgment SACK segments. While processing SACK segments, the Linux kernel's socket buffer SKB data structure becomes fragmented, which leads to increased resource...

USN-4017-1: Linux kernel vulnerabilities | Cloud Foundry

Severity High Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 16.04 Description Jonathan Looney discovered that the TCP retransmission queue implementation in the Linux kernel could be fragmented when handling certain TCP Selective Acknowledgment SACK sequences. A remote attacker could...

EulerOS 2.0 SP5 : kernel (EulerOS-SA-2019-1692)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - An integer overflow flaw was found in the way the Linux kernel's networking subsystem processed TCP Selective Acknowledgment SACK segments. Whil...

Linux Kernel TCP SACK Denial of Service Vulnerability

Executive Summary Known vulnerabilities exist in the Linux kernel. These vulnerabilities are documented by the following CVEs: CVE-2019-11477, CVE-2019-11478, and CVE-2019-11479. The purpose of this advisory is to explain the various effects of these vulnerabilities and to provide links to more...

KLA11586 Linux Kernel TCP SACK Denial of Service Vulnerability

Various vulnerabilities was found in Linux Kernel. Microsoft adresses the various effects of these vulnerabilities and provides links to more information: 1. If you are running a Linux kernel in your Azure environment, you should contact the provider of that Linux kernel to understand their...

Information about TCP SACK Panic Findings in PAN-OS

Palo Alto Networks is aware of recent vulnerability disclosures known as TCP SACK Panic vulnerabilities. Ref: PAN-119745/ CVE-2019-11477, CVE-2019-11478, CVE-2019-11479 Successful exploitation of these issues could allow an unprivileged remote user to trigger a kernel panic in systems running the...

EulerOS 2.0 SP3 : kernel (EulerOS-SA-2019-1672)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - An integer overflow flaw was found in the way the Linux kernel's networking subsystem processed TCP Selective Acknowledgment SACK segments. Whil...